CHAPTER 3 INTERFACE
B-EP
Series
3-34
[TPCL mode]
*1: Example of command packets is shown below.
(When the length is designated in 1 byte and the printer ID of the command packet is 1.)
Command packet 1
[02H][00H][01H][FFH][59H][80H]
{D0630,0480,0600|}
{AX;+000,+000,+00|}
{AY;+00,1,1|}
{T20C10|}
{C|}
{LC;0030,0030,0450,0550,1,5|}
{LC;0030,0300,0450,0300,0,5|}
{LC;0250,0300,0250,0550,0,5|}
{PC01;0050,0110,2,2,A,+00,00,B,+0000000000,P1|}
{PC02;0050,0200,1,1,A,+00,00,B,+000000
[B6H][B7H]
Printer
A link request is detected.
A link is established.
Within 40 msec.
Normal reception (CRC OK)
Host
PAD
NAK
CRC
CRC
Command & Data
80H
Y
Length
ID
ID
STX
Start of command process
End of command process
ACK for the command process
end is transmitted.
ACK
CRC
CRC
Command & Data
81H
Y
Length
ID
ID
STX
ACK
CRC
CRC
Command & Data
02H
Y
Length
ID
ID
STX
ACK
EOT
ACK
A link request is transmitted
every 50 msec. if the printer
sends no NAK.
Command packet
(Within 1 sec.) (*1)
Command packet
(Within 1 sec.) (*1)
Command packet
(Within 1 sec.) (*1)
Within 1 sec.
Within 200 msec.
Normal reception (CRC OK)
Within 200 msec.
Normal reception (CRC OK)
Within 200 msec.
